de Almeida, A M <br/><br/>
Operative cholangiography cost-effectiveness--routine versus selective utilization.  [electronic resource] 

 -  Acta medica portuguesa   
 - 211-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0870-399X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Bile Ducts--physiopathology<br/>Cholangiography--economics<br/>Cholangiopancreatography, Endoscopic Retrograde<br/>Cholelithiasis--diagnosis<br/>Cost-Benefit Analysis<br/>Evaluation Studies as Topic<br/>Female<br/>Humans<br/>Intraoperative Period<br/>Male<br/>Prospective Studies<br/>Retrospective Studies